EN 1.7380 Steel vs. S44627 Stainless Steel
Both EN 1.7380 steel and S44627 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.7380 steel and the bottom bar is S44627 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 160 to 170 | |
170 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Elongation at Break, % | 19 to 20 | |
24 |
Fatigue Strength, MPa | 200 to 230 | |
200 |
Poisson's Ratio | 0.29 | |
0.27 |
Shear Modulus, GPa | 74 | |
80 |
Shear Strength, MPa | 330 to 350 | |
310 |
Tensile Strength: Ultimate (UTS), MPa | 540 to 550 | |
490 |
Tensile Strength: Yield (Proof), MPa | 290 to 330 | |
300 |
Thermal Properties
Latent Heat of Fusion, J/g | 260 | |
290 |
Maximum Temperature: Mechanical, °C | 460 | |
1100 |
Melting Completion (Liquidus), °C | 1470 | |
1440 |
Melting Onset (Solidus), °C | 1430 | |
1400 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 39 | |
17 |
Thermal Expansion, µm/m-K | 13 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.6 | |
2.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
2.6 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 3.8 | |
14 |
Density, g/cm3 | 7.9 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 1.8 | |
2.9 |
Embodied Energy, MJ/kg | 23 | |
41 |
Embodied Water, L/kg | 59 | |
160 |
Common Calculations
PREN (Pitting Resistance) | 5.6 | |
30 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 98 | |
100 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 280 | |
220 |
Stiffness to Weight: Axial, points | 13 | |
15 |
Stiffness to Weight: Bending, points | 24 | |
25 |
Strength to Weight: Axial, points | 19 to 20 | |
18 |
Strength to Weight: Bending, points | 19 | |
18 |
Thermal Diffusivity, mm2/s | 11 | |
4.6 |
Thermal Shock Resistance, points | 15 to 16 | |
16 |
Alloy Composition
Carbon (C), % | 0.080 to 0.14 | |
0 to 0.010 |
Chromium (Cr), % | 2.0 to 2.5 | |
25 to 27.5 |
Copper (Cu), % | 0 to 0.3 | |
0 to 0.2 |
Iron (Fe), % | 94.6 to 96.6 | |
69.2 to 74.2 |
Manganese (Mn), % | 0.4 to 0.8 | |
0 to 0.4 |
Molybdenum (Mo), % | 0.9 to 1.1 | |
0.75 to 1.5 |
Nickel (Ni), % | 0 | |
0 to 0.5 |
Niobium (Nb), % | 0 | |
0.050 to 0.2 |
Nitrogen (N), % | 0 to 0.012 | |
0 to 0.015 |
Phosphorus (P), % | 0 to 0.020 | |
0 to 0.020 |
Silicon (Si), % | 0 to 0.5 | |
0 to 0.4 |
Sulfur (S), % | 0 to 0.010 | |
0 to 0.020 |